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Finding the Fourth Proportional to 465.13, 696.88 and 248.32

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Solution

The fourth proportional to 465.13, 696.88 and 248.32 is: 372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.13 : 696.88 = 248.32 : x
  2. Step 2: Convert to fraction form
    465.13/696.88 = 248.32/x
  3. Step 3: Cross multiply
    465.13x = 696.88 × 248.32
  4. Step 4: Simplify right side
    465.13x = 173,049.24
  5. Step 5: Solve for x
    x = 173,049.24/465.13
  6. Step 6: Final answer
    x = 372.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.